Ключевые слова: background, backlight, bright, buzzer, canopy, clear, country, crown, crown of tree, cumulus, ecology, environment, environmental protection, foliage, forest, grassland, green, idyllic, landscape, leaf, leaves, light, light penetration, looking, looking up, natural, nature, oak, oak tree, park, plans, protection, quercus, season, shining, sky, sun, sunlight, sunny, through, tree, tree crown, trees, treetop, up, upwards view, vegetation, view, weather, woods,